Project/Project/Entities/Decree.cs

@@ -1,11 +1,24 @@
-namespace Project.Entities;
+using System.ComponentModel;
+
+namespace Project.Entities;
 
 public class Decree
 {
     public int Id { get; private set; }
+
+    [Browsable(false)]
     public int StudentId { get; private set; }
+
+    [DisplayName("Студент")]
+    public string StudentName { get; private set; } = string.Empty;
+
+    [DisplayName("Название")]
     public string Name { get; private set; } = string.Empty;
+
+    [DisplayName("Дата")]
     public DateTime Date { get; private set; }
+
+    [DisplayName("Описание")]
     public string Info { get; private set; } = string.Empty;
 
     public static Decree CreateOperation(int id, int studentId, string name, DateTime date, string info)

Project/Project/Entities/Statement.cs

@@ -1,11 +1,33 @@
-namespace Project.Entities;
+using Project.Entities.Enums;
+using System.ComponentModel;
+
+namespace Project.Entities;
 
 public class Statement
 {
     public int Id { get; private set; }
+
+    [Browsable(false)]
     public int TeacherId { get; private set; }
+
+    [Browsable(false)]
     public int SubjectId { get; private set; }
+
+    [DisplayName("Преподаватель")]
+    public string TeacherName{ get; private set; } = string.Empty;
+
+    [DisplayName("Предмет")]
+    public string SubjectName { get; private set; } = string.Empty;
+
+    [DisplayName("Средний балл")]
     public DateTime Date { get; private set; }
+
+    [DisplayName("Результаты")]
+    public string StatementStudent => StatementStudents != null ?
+        string.Join(", ", StatementStudents.Select(x => $"{x.StudentName}:{(int)x.Mark}")) :
+        string.Empty;
+
+    [Browsable(false)]
     public IEnumerable<StatementStudent> StatementStudents { get; private set; } = [];
 
     public static Statement CreateOperation(int id, int teacherId, int subjectId, DateTime date, IEnumerable<StatementStudent> statementStudents)
@@ -20,15 +42,11 @@ public class Statement
         };
     }
 
-    public static Statement CreateOperation(TempStatementStudent tempStatementStudent, IEnumerable<StatementStudent> statementStudents)
+    public void SetStatementStudents(IEnumerable<StatementStudent> statementStudents)
     {
-        return new Statement
+        if (statementStudents != null && statementStudents.Any())
         {
-            Id = tempStatementStudent.Id,
-            TeacherId = tempStatementStudent.TeacherId,
-            SubjectId = tempStatementStudent.SubjectId,
-            Date = tempStatementStudent.Date,
-            StatementStudents = statementStudents
-        };
+            StatementStudents = statementStudents;
+        }
     }
 }

Project/Project/Entities/StatementStudent.cs

@@ -6,6 +6,7 @@ public class StatementStudent
 {
     public int Id { get; private set; }
     public int StudentId { get; private set; }
+    public string StudentName { get; private set; } = string.Empty;
     public Mark Mark { get; private set; }
 
     public static StatementStudent CreateOperation(int id, int studentId, Mark mark)

Project/Project/Entities/Student.cs

@@ -1,11 +1,21 @@
-namespace Project.Entities;
+using System.ComponentModel;
+
+namespace Project.Entities;
 
 public class Student
 {
     public int Id { get; private set; }
+
+    [DisplayName("Имя")]
     public string FirstName { get; private set; } = string.Empty;
+
+    [DisplayName("Фамилия")]
     public string LastName { get; private set; } = string.Empty;
+
+    [DisplayName("Средний балл")]
     public float Score { get; private set; }
+
+    [Browsable(false)]
     public string DisplayName => $"{FirstName} {LastName}";
 
     public static Student CreateOperation(int id, string firstName, string lastName, float score)

Project/Project/Entities/Subject.cs

@@ -1,11 +1,16 @@
 using Project.Entities.Enums;
+using System.ComponentModel;
 
 namespace Project.Entities;
 
 public class Subject
 {
     public int Id { get; private set; }
+
+    [DisplayName("Название")]
     public string Name { get; private set; } = string.Empty;
+
+    [DisplayName("Курсы")]
     public Course Courses { get; private set; }
 
     public static Subject CreateOperation(int id, string name, Course courses)

Project/Project/Entities/Teacher.cs

@@ -1,10 +1,18 @@
-namespace Project.Entities;
+using System.ComponentModel;
+
+namespace Project.Entities;
 
 public class Teacher
 {
     public int Id { get; private set; }
+
+    [DisplayName("Имя")]
     public string FirstName { get; private set; } = string.Empty;
+
+    [DisplayName("Фамилия")]
     public string LastName { get; private set; } = string.Empty;
+
+    [Browsable(false)]
     public string DisplayName => $"{LastName} {FirstName}";
 
     public static Teacher CreateOperation(int id, string firstName, string lastName)

Project/Project/Entities/TempStatementStudent.cs

@@ -1,18 +0,0 @@
-using Project.Entities.Enums;
-using System;
-using System.Collections.Generic;
-using System.Linq;
-using System.Text;
-using System.Threading.Tasks;
-
-namespace Project.Entities;
-
-public class TempStatementStudent
-{
-    public int Id { get; private set; }
-    public int TeacherId { get; private set; }
-    public int SubjectId { get; private set; }
-    public DateTime Date { get; private set; }
-    public int StudentId { get; private set; }
-    public Mark Mark { get; private set; }
-}

Project/Project/Forms/DecreesForm.cs

@@ -42,5 +42,9 @@ public partial class DecreesForm : Form
         }
     }
 
-    private void LoadList() => dataGridView.DataSource = _decreeRepository.GetAllDecrees();
+    private void LoadList()
+    {
+        dataGridView.DataSource = _decreeRepository.GetAllDecrees();
+        dataGridView.Columns["Id"].Visible = false;
+    }
 }

Project/Project/Forms/StatementListForm.cs

@@ -1,4 +1,5 @@
 using Project.Repositories;
+using System.Windows.Forms;
 using Unity;
 
 namespace Project.Forms;
@@ -28,8 +29,11 @@ public partial class StatementListForm : Form
         }
     }
 
-    private void LoadList() => dataGridViewData.DataSource = _statementRepository.GetAllStatements();
-
+    private void LoadList()
+    {
+        dataGridViewData.DataSource = _statementRepository.GetAllStatements();
+        dataGridViewData.Columns["Id"].Visible = false;
+    }
     private void StatementListForm_Load(object sender, EventArgs e)
     {
         try

Project/Project/Forms/StudentsListForm.cs

@@ -83,8 +83,12 @@ public partial class StudentsListForm : Form
         }
     }
 
-    private void LoadList() => dataGridViewStudents.DataSource = _studentRepository.GetAllStudents();
+    private void LoadList()
+    {
+        dataGridViewStudents.DataSource = _studentRepository.GetAllStudents();
+        dataGridViewStudents.Columns["Id"].Visible = false;
 
+    }
     private bool TryGetIdentifierFromSelectedRow(out int id)
     {
         id = 0;

Project/Project/Forms/SubjectsForm.cs

@@ -70,8 +70,11 @@ public partial class SubjectsForm : Form
         }
     }
 
-    private void LoadList() => dataGridView.DataSource = _subjectRepository.GetAllSubjects();
-
+    private void LoadList()
+    {
+        dataGridView.DataSource = _subjectRepository.GetAllSubjects();
+        dataGridView.Columns["Id"].Visible = false;
+    }
     private bool TryGetIdentifierFromSelectedRow(out int id)
     {
         id = 0;

Project/Project/Forms/TeachersListForm.cs

@@ -1,4 +1,5 @@
 using Project.Repositories;
+using System.Windows.Forms;
 using Unity;
 
 namespace Project.Forms;
@@ -81,8 +82,11 @@ public partial class TeachersListForm : Form
         }
     }
 
-    private void LoadList() => dataGridViewTeachers.DataSource = _teacherRepository.GetAllTeachers();
-
+    private void LoadList()
+    {
+        dataGridViewTeachers.DataSource = _teacherRepository.GetAllTeachers();
+        dataGridViewTeachers.Columns["Id"].Visible = false;
+    }
     private bool TryGetIdentifierFromSelectedRow(out int id)
     {
         id = 0;

Project/Project/Reports/ChartReport.cs

@@ -39,16 +39,13 @@ internal class ChartReport
 
     private List<(string Caption, double Value)> GetData(DateTime dateTime)
     {
-        // Получаем все предметы
         var subjects = _subjectRepository
             .GetAllSubjects()
             .ToDictionary(s => s.Id, s => s.Name);
 
-        // Группируем оценки по предметам
         var groupedData = _statementRepository
-            .GetAllStatements()
-            .Where(s => s.Date.Date == dateTime.Date) // Фильтруем по дате
-            .GroupBy(s => s.SubjectId) // Группируем по ID предмета
+            .GetAllStatements(dateFrom: dateTime.Date, dateTo: dateTime.Date.AddDays(1))
+            .GroupBy(s => s.SubjectId)
             .Select(g =>
             (
                 Caption: subjects.ContainsKey(g.Key) ? subjects[g.Key] : "Неизвестный предмет",

Project/Project/Reports/TableReport.cs

@@ -34,7 +34,7 @@ internal class TableReport
         {
             new ExcelBuilder(filePath)
                 .AddHeader("Сводка по студенту", 0, 3)
-                .AddParagraph("за период", 0)
+                .AddParagraph($"за период {startDate:dd.MM.yyyy} по {endDate:dd.MM.yyyy}", 0)
                 .AddTable([10, 15, 15], GetData(studentId, startDate, endDate))
                 .Build();
             return true;
@@ -51,8 +51,7 @@ internal class TableReport
         var result = new List<string[]>() { item };
 
         // Получаем оценки студента за период
-        var statements = _statementRepository.GetAllStatements()
-            .Where(s => s.StatementStudents.Any(ss => ss.StudentId == studentId) && s.Date >= startDate && s.Date <= endDate);
+        var statements = _statementRepository.GetAllStatements(startDate, endDate, studentId);
 
         foreach (var statement in statements)
         {
@@ -71,8 +70,7 @@ internal class TableReport
         }
 
         // Получаем приказы студента за период
-        var decrees = _decreeRepository.GetAllDecrees()
-            .Where(d => d.StudentId == studentId && d.Date >= startDate && d.Date <= endDate);
+        var decrees = _decreeRepository.GetAllDecrees(startDate, endDate, studentId);
 
         foreach (var decree in decrees)
         {

Project/Project/Repositories/IDecreeRepository.cs

@@ -4,6 +4,7 @@ namespace Project.Repositories;
 
 public interface IDecreeRepository
 {
-    IEnumerable<Decree> GetAllDecrees();
+    IEnumerable<Decree> GetAllDecrees(DateTime? dateFrom = null, DateTime? dateTo = null,
+        int? studentId = null);
     void AddDecree(Decree decree);
 }

Project/Project/Repositories/IStatementRepository.cs

@@ -5,5 +5,6 @@ namespace Project.Repositories;
 public interface IStatementRepository
 {
     void CreateStatement(Statement statement);
-    IEnumerable<Statement> GetAllStatements();
+    IEnumerable<Statement> GetAllStatements(DateTime? dateFrom = null, DateTime? dateTo = null,
+        int? studentId = null);
 }

Project/Project/Repositories/Implementations/DecreeRepository.cs

@@ -37,14 +37,33 @@ public class DecreeRepository : IDecreeRepository
         }
     }
 
-    public IEnumerable<Decree> GetAllDecrees()
+    public IEnumerable<Decree> GetAllDecrees(DateTime? dateFrom = null, DateTime? dateTo = null,
+        int? studentId = null)
     {
         _logger.LogInformation("Получение всех объектов");
         try
         {
+            var builder = new QueryBuilder();
+            if (dateFrom.HasValue)
+            {
+                builder.AddCondition("de.Date >= @dateFrom");
+            }
+            if (dateTo.HasValue)
+            {
+                builder.AddCondition("de.Date <= @dateTo");
+            }
+            if (studentId.HasValue)
+            {
+                builder.AddCondition("de.StudentId = @studentId");
+            }
             using var connection = new NpgsqlConnection(_connectionString.ConnectionString);
-            var querySelect = "SELECT * FROM Decree";
-            var decrees = connection.Query<Decree>(querySelect);
+            var querySelect = $@"SELECT 
+                                    de.*, 
+                                    CONCAT(st.FirstName, ' ', st.LastName) as StudentName 
+                                FROM Decree de
+                                LEFT JOIN Student st on st.Id = de.StudentId
+                                {builder.Build()}";
+            var decrees = connection.Query<Decree>(querySelect, new { dateFrom, dateTo, studentId });
             _logger.LogDebug("Полученные объекты: {json}",
             JsonConvert.SerializeObject(decrees));
             return decrees;

Project/Project/Repositories/Implementations/QueryBuilder.cs

@@ -0,0 +1,33 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace Project.Repositories.Implementations;
+
+internal class QueryBuilder
+{
+    private readonly StringBuilder _builder;
+    public QueryBuilder()
+    {
+        _builder = new();
+    }
+    public QueryBuilder AddCondition(string condition)
+    {
+        if (_builder.Length > 0)
+        {
+            _builder.Append(" AND ");
+        }
+        _builder.Append(condition);
+        return this;
+    }
+    public string Build()
+    {
+        if (_builder.Length == 0)
+        {
+            return string.Empty;
+        }
+        return $"WHERE {_builder}";
+    }
+}

Project/Project/Repositories/Implementations/StatementRepository.cs

@@ -3,6 +3,7 @@ using Microsoft.Extensions.Logging;
 using Newtonsoft.Json;
 using Npgsql;
 using Project.Entities;
+using static System.Runtime.InteropServices.JavaScript.JSType;
 
 namespace Project.Repositories.Implementations;
 
@@ -55,18 +56,62 @@ public class StatementRepository : IStatementRepository
         }
     }
 
-    public IEnumerable<Statement> GetAllStatements()
+    public IEnumerable<Statement> GetAllStatements(DateTime? dateFrom = null, DateTime? dateTo = null,
+        int? studentId = null)
     {
         _logger.LogInformation("Получение всех объектов");
         try
         {
+            var builder = new QueryBuilder();
+            if (dateFrom.HasValue)
+            {
+                builder.AddCondition("st.Date >= @dateFrom");
+            }
+            if (dateTo.HasValue)
+            {
+                builder.AddCondition("st.Date <= @dateTo");
+            }
+            if (studentId.HasValue)
+            {
+                builder.AddCondition("stt.StudentId = @studentId");
+            }
             using var connection = new NpgsqlConnection(_connectionString.ConnectionString);
-            var querySelect = @"SELECT st.*, stt.StudentId, stt.Mark FROM Statement st
-                                INNER JOIN StatementStudent stt on stt.StatementId = st.Id";
-            var statements = connection.Query<TempStatementStudent>(querySelect);
+            var querySelect = $@"SELECT 
+                                    st.*, 
+                                    CONCAT(te.FirstName, ' ', te.LastName) as TeacherName,
+                                    sb.Name as SubjectName,
+                                    stt.StudentId, 
+                                    stt.Mark,
+                                    CONCAT(stu.FirstName, ' ', stu.LastName) as StudentName
+                                FROM Statement st
+                                LEFT JOIN Teacher te on te.Id = st.TeacherId
+                                LEFT JOIN Subject sb on sb.Id = st.SubjectId
+                                INNER JOIN StatementStudent stt on stt.StatementId = st.Id
+                                LEFT JOIN Student stu on stu.Id = stt.StudentId
+                                {builder.Build()}";
+            var statementsDict = new Dictionary<int, List<StatementStudent>>();
+
+            var statementStudents = connection.Query<Statement, StatementStudent, Statement>(querySelect,
+                (statement, statementStudent) =>
+                {
+                    if (!statementsDict.TryGetValue(statement.Id, out var stt))
+                    {
+                        stt = [];
+                        statementsDict.Add(statement.Id, stt);
+                    }
+
+                    stt.Add(statementStudent);
+                    return statement;
+                }, splitOn: "StudentId", param: new { dateFrom, dateTo, studentId });
             _logger.LogDebug("Полученные объекты: {json}",
-            JsonConvert.SerializeObject(statements));
-            return statements.GroupBy(x => x.Id, y => y, (key, value) => Statement.CreateOperation(value.First(), value.Select(z => StatementStudent.CreateOperation(0, z.StudentId, z.Mark)))).ToList();
+            JsonConvert.SerializeObject(statementStudents));
+
+            return statementsDict.Select(x =>
+            {
+                var st = statementStudents.First(y => y.Id == x.Key);
+                st.SetStatementStudents(x.Value);
+                return st;
+            }).ToArray();
         }
         catch (Exception ex)
         {